18388734 is an even 8-digits composite number following 18388733
and preceding 18388735 . In scientific notation, it is written as 1.8388734 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 4849632 positive integers (up to 18388734) that are relatively prime to 18388734.
18388734 has 16 divisors, whose sum is 31120320
The reverse of 18388734 is 43788381
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million three hundred eighty-eight thousand seven hundred thirty-four
Scientific notation
1.8388734 × 10^7
Engineering notation
1.8388734 × 10^6
Prime Factorization
2 × 21 × 13 × 33679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18388734
Product of the distinct prime numbers
The prime factorization of 18388734 is 2 × 21 × 13 × 33679.
Since it has a total of 4 prime factors.
3 , 3 , 63 , 39 , 703 , 343 , 4782 , 9570 , 10114 , 81014 , 965975 , 960476 , 4485284 , 7519368 , 75273300 , 7510225 , 484711990 , 881669052 , 2448926430 , 604381635
n×2
36777468
n×3
55166202
n×4
73554936
n×5
91943670
n÷2
9194367
n÷3
6129578
n÷3
4597183.5
n÷5
3677746.8
n2
338145538122756
n3
6.2180683538262E+21
n4
1.1434240495233E+29
n5
2.1026120695886E+36
2 √n
4288.2087169353
3 √n
263.94733223917
4 √n
65.484415832588
5 √n
28.373333718205
1 , 2 , 13 , 21 , 26 , 42 , 273 , 546 , 33679 , 67358 , 437827 , 707259 , 875654 , 1414518 , 9194367 , 18388734
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18388733
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18388734 can be divided by 16 positive divisors.
The sum of these divisors (counting 18388734) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001011011111110
3
Ternary
1021121020121020
4
Quaternary
1012021123332
5
Quinary
14201414414
6
Senary
1454045010
8
Octal
106113376
10
Decimal
18388734
12
Duodecimal
61a9766
16
Hexadecimal
11896fe
20
Vigesimal
5eibge
36
Base36
ay4u6
md5
cd46d14ae501d53d2db2d54261613435
sha1
e697d115fe58f1c4b9a64c2f9941edc965c77f67
sha256
f509de00024b7953c0c9fd5965e3b2a8561aeb3b11791aec13034cc2a83d9175
sha512
5fc34d2cb8f0bd0c30a813032e8eff653647eea32fbb770fdb8cea1f08745fea7c918d22f495cc7f2e5162f4cc8dbc06662fb16aaf93da97a90492376b8496b2
ripemd-160
02558bed4b56c80fbfb3c80168d4b9ab6c341799
Diameter
36777468
Circumference
115539823.28643
Area
1.0623155384106E+15
Volume
2.60461838132E+22
Surface area
4.2492621536425E+15
Circumference
115539823.28643
Perimeter
73554936
Area
338145538122756
Diagonal
26005597.017671
Surface area
2028873228736536
Volume
6.2180683538262E+21
Space diagonal
31850221.574869
Perimeter
55166202
Area
1.4642131309533E+14
Altitude
15925110.787435
Surface area
1.4642131309533E+14
Volume
7.3280638314533E+20
Height
8668532.3392238